12-letter words containing p, i, d, o
- pend oreille — a river in NE Washington, N Idaho, and SE British Columbia, flowing NW to the Columbia River. 130 miles (209 km) long.
- pension fund — a fund created and maintained, as by a corporation, to provide benefits under a pension plan.
- pentacrinoid — a larval crinoid resembling members of the genus Pentacrinus
- peptide bond — a covalent bond formed by joining the carboxyl group of one amino acid to the amino group of another, with the removal of a molecule of water.
- peptidolytic — causing the hydrolysis of peptides.
- perfidiously — deliberately faithless; treacherous; deceitful: a perfidious lover.
- period costs — Period costs are general costs that cannot be associated with a particular product, such as utilities or insurance.
- period drama — a drama set in a particular historical period
- period piece — something, as a novel, painting, or building, of interest or value primarily because it evokes or epitomizes a particular period of history.
- periodic law — the law that the properties of the elements are periodic functions of their atomic numbers.
- periodically — recurring at intervals of time: periodic revivals of an interest in handicrafts.
- periodontics — the branch of dentistry dealing with the study and treatment of diseases of the periodontium.
- periodontist — a specialist in periodontics.
- periodontium — the bone, connective tissue, and gum surrounding and supporting a tooth.
- permissioned — authorization granted to do something; formal consent: to ask permission to leave the room.
- peroxidation — a type of reaction in which oxygen atoms are formed leading to the production of peroxides. It is stimulated in the body by certain toxins and infections
- personalised — to have marked with one's initials, name, or monogram: to personalize stationery.
- personalized — customized
- philodendron — a tropical American climbing plant belonging to the genus Philodendron, of the arum family, usually having smooth, shiny, evergreen leaves, often used as an ornamental houseplant.
- philomelides — a king of Lesbos who wrestled and killed every opponent until he himself was defeated by Odysseus.
- phosphamidon — a systemic and contact insecticide, C 1 0 H 1 9 ClNO 5 P, used against beetles, aphids, mites, and other crop pests.
- phosphatidic — of or relating to a phosphatide
- phosphatidyl — an atom or group of atoms containing one or more unpaired electrons derived from a phosphatide
- phospholipid — any of a group of fatty compounds, as lecithin, composed of phosphoric esters, and occurring in living cells.
- photodynamic — the science dealing with light and its effects on living organisms.
- photoexcited — increased in energy due to photoexcitation
- photoinduced — induced by light.
- photooxidize — to undergo or cause to undergo photooxidation
- phytonadione — vitamin K1.
- picture mold — a molding near a ceiling from which pictures can be suspended.
- pidyon haben — the rite of relieving the first male child born to parents not descended from Aaron or Levi of certain religious obligations by redeeming him from a member of the priestly class, celebrated 30 days after the child's birth.
- pigeon blood — dark red.
- pillow sword — a straight sword of the 17th century.
- pilot ladder — Jacob's ladder (def 2a).
- piltdown man — a hypothetical early modern human, assigned to the genus Eoanthropus, whose existence was inferred from skull fragments that were allegedly found at Piltdown, England, in 1912 but were exposed as fraudulent through chemical analysis in 1953.
- pindaric ode — an ode consisting of several units, each of which is composed of a strophe and an antistrophe of identical form followed by a contrasting epode.
- ping command — ping
- pirate radio — radio broadcasting illegally
- pitched-roof — a roof sloping downward in two parts at an angle from a central ridge, so as to leave a gable at each end.
- plagiohedral — (of a crystal) having faces arranged obliquely in a helix.
- plerocercoid — the wormlike larval stage of some tapeworms, intermediate between the first parasitic larval stage and adult.
- pocket drive — a small portable memory device that can be plugged into the USB port of many different types of computer
- pocket-sized — If you describe something as pocket-sized, you approve of it because it is small enough to fit in your pocket.
- podoconiosis — elephantiasis of the lower legs
- poète maudit — a poet who receives insufficient recognition in his or her own time
- point defect — an imperfection in a crystal's lattice structure, either a missing atom or ion creating a vacancy in the lattice or an extra atom or ion between two normal lattice points creating an interstitial.
- point spread — a betting device, established by oddsmakers and used to attract bettors for uneven competitions, indicating the estimated number of points by which a stronger team can be expected to defeat a weaker team, the point spread being added to the weaker team's actual points in the game and this new figure then compared to the stronger team's points to determine winning bets.
- point-device — completely; perfectly; exactly.
- point-spread — a betting device, established by oddsmakers and used to attract bettors for uneven competitions, indicating the estimated number of points by which a stronger team can be expected to defeat a weaker team, the point spread being added to the weaker team's actual points in the game and this new figure then compared to the stronger team's points to determine winning bets.
- pointed arch — an arch having a pointed apex.